.alert-error {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.alert-debug {
    color: #1b1e21;
    background-color: #d6d8d9;
    border-color: #c6c8ca;
}

.dropdown:hover .dropdown-menu {
    display: block;
    right: 0;
    top: 100%;
}

/* textarea 单独设置margin或padding无效 */
#comment-input {
    scroll-margin-top: 100px;
    scroll-padding-top: 100px;
}

/* markdown 引用块样式 */
blockquote {
    border-left: 2px solid #ccc;
    padding-left: 1em;
}

html {
    overflow-y: scroll;
    overflow-x: hidden;
}
